18866481

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4457}}^1$

素因数の和:4560

約数の個数: 16

約数和(自身を含む): 26961984

約数和(自身を除く): 8095503

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 4457, 13371, 75769, 227307, 369931, 1109793, 6288827, 18866481]

約数ペア:

[(1, 18866481), (3, 6288827), (17, 1109793), (51, 369931), (83, 227307), (249, 75769), (1411, 13371), (4233, 4457)]